Auxiliary device for beating knee joint of fracture patient

The utility model discloses an auxiliary device for a fracture patient to beat a knee joint, which belongs to the technical field of medical appliances and comprises an auxiliary device, the auxiliary device is formed by combining a fixing device, two adjusting devices and a fixing rod, and when the angle of the fixing rod needs to be adjusted, the adjusting devices are arranged on the fixing rod. By screwing a second screw rod, a second ejector block can press a fixing band extending out of a second mounting groove, so that the fixing band can be fixed to the leg of a patient, when rotation is needed, a locking device is pulled outwards to enable a clamping groove to be clamped in a through hole formed in an inserting groove, and the fixing band is pushed inwards after the angle is adjusted. According to the fixing device, the clamping groove can clamp the through hole formed in the inserting groove and the through hole formed in the inserting block at the same time, so that the inserting groove and the inse